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Finding the Fourth Proportional to 851,265, 1,276,916.94 and 252,214.92

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Solution

The fourth proportional to 851,265, 1,276,916.94 and 252,214.92 is: 378,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,265 : 1,276,916.94 = 252,214.92 : x
  2. Step 2: Convert to fraction form
    851,265/1,276,916.94 = 252,214.92/x
  3. Step 3: Cross multiply
    851,265x = 1,276,916.94 × 252,214.92
  4. Step 4: Simplify right side
    851,265x = 322,057,503,868.75
  5. Step 5: Solve for x
    x = 322,057,503,868.75/851,265
  6. Step 6: Final answer
    x = 378,328.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.